var a = 2
let fn1 = a => console.log(a);
let fn2 = a1 => console.log({a1});
let fn3 = a2 => console.log((a2));
let fn4 = a3 => console.log((((a3))));

fn1(0)
fn2(1)
fn3(2)
fn4(3)
var fn11 = a => console.log(a);
var fn22 = a1 => console.log({a1});
var fn33 = a2 => console.log(({a2}));
var fn44 = a3 => console.log(({a3}));
fn11(1)
fn22(2)
fn33(3)
fn44(4)
let fn = a11 => {
	var b = 0;
	console.log(a11,b);
}
fn(10)
